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In this letter, a novel framework to deliver critical spread out URLLC services deploying unmanned aerial vehicles (UAVs) in an out-of-coverage area is developed. To this end, the resource optimization problem, i.e., resource blocks (RBs)…

网络与互联网体系结构 · 计算机科学 2021-04-13 Shashi Raj Pandey , Kitae Kim , Madyan Alsenwi , Yan Kyaw Tun , Zhu Han , Choong Seon Hong

Location information is often used as a proxy to guarantee the performance of a wireless communication link. However, localization errors can result in a significant mismatch with the guarantees, particularly detrimental to users operating…

We propose a novel adaptive and causal random linear network coding (AC-RLNC) algorithm with forward error correction (FEC) for a point-to-point communication channel with delayed feedback. AC-RLNC is adaptive to the channel condition, that…

信息论 · 计算机科学 2019-09-30 Alejandro Cohen , Derya Malak , Vered Bar Bracha , Muriel Medard

Machine-type communication requires rethinking of the structure of short packets due to the coding limitations and the significant role of the control information. In ultra-reliable low-latency communication (URLLC), it is crucial to…

A present challenge in wireless communications is the assurance of ultra-reliable and low-latency communication (URLLC). While the reliability aspect is well known to be improved by channel coding with long codewords, this usually implies…

信息论 · 计算机科学 2023-03-15 Sahar Allahkaram , Francisco A. Monteiro , Ioannis Chatzigeorgiou

Ultra-reliable low latency communications (URLLC) service is envisioned to enable use cases with strict reliability and latency requirements in 5G. One approach for enabling URLLC services is to leverage Reinforcement Learning (RL) to…

系统与控制 · 电气工程与系统科学 2023-07-26 Wei Shi , Milad Ganjalizadeh , Hossein Shokri Ghadikolaei , Marina Petrova

The problem of designing downlink transmission schemes for supporting heterogeneous ultra-reliable low-latency communications (URLLC) and/or with other types of services is investigated. We consider the broadcast channel, where the base…

信息论 · 计算机科学 2023-05-03 Min Qiu , Yu-Chih Huang , Jinhong Yuan

In the future 6th generation networks, ultra-reliable and low-latency communications (URLLC) will lay the foundation for emerging mission-critical applications that have stringent requirements on end-to-end delay and reliability. Existing…

信号处理 · 电气工程与系统科学 2020-02-26 Changyang She , Rui Dong , Zhouyou Gu , Zhanwei Hou , Yonghui Li , Wibowo Hardjawana , Chenyang Yang , Lingyang Song , Branka Vucetic

Ultra-reliable and low-latency communication (URLLC) is one of the three major service classes supported by the fifth generation (5G) New Radio (NR) technical specifications. In this paper, we introduce a physical layer architecture that…

信号处理 · 电气工程与系统科学 2020-02-17 Zhiwen Wu , Tianpeng Yang , Haitao Liu , Geng Shi , Kan Zheng

This paper investigates the effective capacity of a point-to-point ultra-reliable low latency communication (URLLC) transmission over multiple parallel sub-channels at finite blocklength (FBL) with imperfect channel state information (CSI).…

信息论 · 计算机科学 2022-10-20 Hongsen Peng , Meixia Tao

Compared with the legacy wireless networks, the next generation of wireless network targets at different services with divergent QoS requirements, ranging from bandwidth consuming video service to moderate and low date rate machine type…

网络与互联网体系结构 · 计算机科学 2021-11-30 Ji Lianghai , Andreas Weinand , Bin Han , Hans D. Schotten

This paper studies integrated sensing and communication (ISAC) in the downlink of a cell-free massive multiple-input multiple-output (MIMO) system with multi-static sensing and ultra-reliable low-latency communication (URLLC) users. We…

信息论 · 计算机科学 2024-01-19 Zinat Behdad , Özlem Tuğfe Demir , Ki Won Sung , Cicek Cavdar

As the number of real-time applications with ultra-low delay requirements quickly grows, massive ultra-reliable and low-latency communication (mURLLC) has been proposed to provide a wide range of delay-sensitive services for the sixth…

信息论 · 计算机科学 2024-07-18 Yixin Zhang , Wenchi Cheng , Wei Zhang

This letter proposes a pragmatic link adaptation algorithm considering power density offsets (PDOs) for next-generation uplink wireless channels. The proposed algorithm consists of PDO calculation between a physical uplink shared channel…

信息论 · 计算机科学 2020-09-21 Shu Sun , Sungho Moon , Jong-Kae Fwu

The 5th-generation wireless networks (5G) technologies and mobile edge computing (MEC) provide great promises of enabling new capabilities for the industrial Internet of Things. However, the solutions enabled by the 5G ultra-reliable…

网络与互联网体系结构 · 计算机科学 2022-02-16 Peng Hu , Jinhuan Zhang

Fifth generation new radio aims to facilitate new use cases in wireless communications. Some of these new use cases have highly de-manding latency requirements; many of the powerful forward error correction codes deployed in current…

信息论 · 计算机科学 2019-01-14 Mehmet Cagri Ilter , Halim Yanikomeroglu

This paper considers the resource allocation algorithm design for downlink multiple-input single-output (MISO) orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency communication (URLLC) systems. To meet the…

信息论 · 计算机科学 2019-10-15 Walid R. Ghanem , Vahid Jamali , Yan Sun , Robert Schober

In this paper, we study resource allocation for downlink orthogonal frequency division multiple access (OFDMA) systems with the objective to enable ultra-reliable low latency communication (URLLC). To meet the stringent delay requirements…

信息论 · 计算机科学 2019-01-18 Walid R. Ghanem , Vahid Jamali , Yan Sun , Robert Schober

Driven by the explosive growth of Internet of Things (IoT) devices with stringent requirements on latency and reliability, ultra-reliability and low latency communication (uRLLC) has become one of the three key communication scenarios for…

信息论 · 计算机科学 2020-11-30 Shiwen He , Zhenyu An , Jianyue Zhu , Jian Zhang , Yongming Huang , Yaoxue Zhang

As a critical component of sixth-generation (6G) wireless networks, ultra-reliable and low-latency communication (URLLC) is expected to support real-time and reliable information exchange in low-altitude environments. However, achieving…

信号处理 · 电气工程与系统科学 2026-05-15 Donggen Li , Chong Huang , Jingfu Li , Pei Xiao , Wenjiang Feng , Dusit Niyato , Zhu Han